Is this confirmed? Theory: Mary Cooper's boyfriend Rob in "The Cooper Extraction" is youth pastor Rob who she met in from "Young Sheldon"

In "The Cooper Extraction," Mary says that her boyfriend's name is Rob and she met him at church. Marry literally meets a youth pastor named Rob working at the same church in "Young Sheldon" and they share various friendly moments together. He would be a bit younger than her but the age gap isn't huge.

It seems unlikely that the name and those circumstances would've been recycled in "Young Sheldon" if it wasn't the same guy.